Product typeLoudspeaker ChassisTypePANominal Diameter12 ", 300 mmVoice Coil4 ", 100 mmOverall diameter316 mmPitch Circle Diameter298.5 mmCut- out Measurement282 mmMounting holes8Diameter of fixing holes7.4 mmDepth176.5 mmNominal Impedance8 Ohm(s)Nominal Load Capacity1000 Wmaximum rated load2000 WSensitivity (1 W / 1 m)93 dBFrequency response45 - 2,500 HzVoice Coil MaterialcopperMagnetNeodymiumThiele & Small ParameterFs (Resonance Frequency)42 HzRe (DC resistance)5 Ohm(s)Weight6,6 kg